Question: 1. What is the grammar accepted by this interpreter. Write as EBNF form 2.How can the bison program evaluate the input, print out the result

1. What is the grammar accepted by this interpreter. Write as EBNF form 2.How can the bison program evaluate the input, print out the result /* calculator #2 */ #include #include "y.tab.h.. void yyerror (char);

1. What is the grammar accepted by this interpreter. Write as EBNF form

2.How can the bison program evaluate the input, print out the result

/* calculator #2 */ #include #include "y.tab.h.. void yyerror (char); yylval = *yytext - 'a'; return VARIABLE; yylval return atoi(yytext); INTEGER; )/* return *yytext; It] /*skip whitespace/ yyerror("Unknown character"); int yywrap (void) [ return 1

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